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From the information below, determine the mass of substance C that is formed if 45.0 g of substance A reacts with 23.0g of substance B, assuming that the reaction between A and B goes to completion.
a. Substance A is a gray solid that consists of an alkaline earth element and carbon; the m% C in substance A is 37.5%. It reacts with substance B to form substances C and D. 4.0 x 10^16 (16th power) formula units of substance A weighs 4.26 micrograms.
Maleic acid contains 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen by mass. A 0.030-mol sample of this compound weighs 2.61 g.
Which instrument can be used to determine the total calcium in a small blood sample.suggest a second method suitable for determine the free calcium ions on a similar sample of bood.
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Consider the reaction of SO3 in equilibrium with SO2 and O2,shown below. What will happen to the equilibrium if the temperature of the reaction is decreased
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what is the denisty of a substance if a 1.50ml sample has a mass of 0.550g at room temperature? what is the specific
Draw the structure of the following three isomeric amides with chemical formula C6H11NO. Draw all three structures in the same window, DO NOT separate them with an arrow.
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